1,262 hedge funds and large institutions have $76.2B invested in Aon in 2025 Q1 according to their latest regulatory filings, with 169 funds opening new positions, 467 increasing their positions, 394 reducing their positions, and 70 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,262
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
43
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$761M
Puts
$436M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
901
$335K
902
$335K
903
$331K
904
$328K
905
$328K
906
$325K
907
$325K
908
$324K
909
$324K
910
$323K
911
$323K
912
$323K
913
$323K
914
$319K
915
$319K
916
$316K
917
$315K
918
$314K
919
$314K
920
$314K
921
$312K
922
$310K
923
$309K
924
$308K
925
$308K